NOAA

WW 644 SEVERE TSTM CO KS NE 222325Z – 230500Z

 URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 644
NWS Storm Prediction Center Norman OK
525 PM MDT Thu Aug 22 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Eastern Colorado Western Kansas Far Southwest Nebraska * Effective this Thursday afternoon and evening from 525 PM until 1100 PM MDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 75 mph possible Isolated very large hail events to 2 inches in diameter possible SUMMARY...Thunderstorms should continue to congeal into a cluster
this evening while moving eastward across eastern Colorado into
western Kansas, with mainly a threat for scattered severe/damaging
winds around 60-70 mph. Isolated gusts up to 75 mph appear possible,
along with occasional large hail around 1-1.75 inches in diameter. The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 5 miles north northwest
of Limon CO to 50 miles east northeast of Goodland KS. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU4). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes. && AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25025. ...Gleason 

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No watches are valid as of Thu Aug 22 04:33:02 UTC 2024.

WW 0643 Status Updates

 STATUS FOR WATCH 0643 HAS NOT BEEN ISSUED YET

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WW 643 SEVERE TSTM MT 220025Z – 220700Z

 URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 643
NWS Storm Prediction Center Norman OK
625 PM MDT Wed Aug 21 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northeast Montana * Effective this Wednesday night and Thursday morning from 625 PM until 100 AM MDT. * Primary threats include... Scattered damaging winds and isolated significant gusts to 75 mph possible Scattered large hail and isolated very large hail events to 2.5 inches in diameter possible SUMMARY...Thunderstorms should continue to intensify this evening
across parts of northeast Montana, while posing a threat for large
to very large hail around 1.5-2.5 inches in diameter, along with
severe/damaging winds up to 65-75 mph. The severe thunderstorm watch area is approximately along and 120
statute miles east and west of a line from 50 miles north of Glasgow
MT to 95 miles south of Glasgow MT. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU3). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 642... AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
26025. ...Gleason 

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WW 0642 Status Updates

 STATUS FOR WATCH 0642 HAS NOT BEEN ISSUED YET

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WW 642 SEVERE TSTM MT SD 212100Z – 220400Z

 URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 642
NWS Storm Prediction Center Norman OK
400 PM CDT Wed Aug 21 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southeast Montana Western South Dakota * Effective this Wednesday afternoon and evening from 400 PM until 1100 PM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph likely Scattered large hail and isolated very large hail events to 2 inches in diameter possible SUMMARY...Thunderstorms will develop across southeast Montana and
western South Dakota through the afternoon and evening. The
strongest cells may produce damaging winds and large hail. The severe thunderstorm watch area is approximately along and 55
statute miles north and south of a line from 145 miles west
northwest of Broadus MT to 25 miles north northeast of Philip SD.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU2). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes. && AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25030. ...Hart 

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No watches are valid as of Wed Aug 21 04:02:02 UTC 2024.

WW 0641 Status Updates

 STATUS FOR WATCH 0641 HAS NOT BEEN ISSUED YET

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WW 641 SEVERE TSTM MT 202040Z – 210400Z

 URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 641
NWS Storm Prediction Center Norman OK
240 PM MDT Tue Aug 20 2024 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Southwest and Central Montana * Effective this Tuesday afternoon and evening from 240 PM until 1000 PM MDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...Thunderstorms will develop over the mountains of southwest
Montana this afternoon and spread quickly eastward across the watch
area through the evening. Damaging wind gusts are the main threat
with the strongest storms. The severe thunderstorm watch area is approximately along and 85
statute miles north and south of a line from 20 miles north of
Dillon MT to 125 miles east northeast of Lewistown MT. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes. && AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
25030. ...Hart 

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No watches are valid as of Tue Aug 20 04:02:02 UTC 2024.